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This Unbreakable CIA Cipher Fooled the World for 37 Years. Then Two People Accidentally Solved It.
A single leaked hint exposed the CIA’s most puzzling code. But dozens of the world’s toughest ciphers are still waiting to be solved.
Test your knowledge of this week’s news, and take last week’s quiz here. Jeremy Mikula is the weekend director of platforms for NBC News. I am an intern for NBC News’ Data / Graphics team. © 2025 ...
Always secure your devices with a password, personal identification number –- PIN -- or biometric lock to protect your data. If your school allows it, register your devices with campus police so they ...
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